Define `--eval_during_decode` so that eval (i.e. scoring based metrics) is also ran as part of decode.
Define `--eval_during_decode` so that eval (i.e. scoring based metrics) is also ran as part of decode.

`$ gxm learning/multipod/pax/xm_launch.py --extra_flags="eval_during_decode" [...]`

PiperOrigin-RevId: 455010511

google/paxml,google/paxml